| 15901 | Kuehne Oil Company | Dallas, TX 75201 | Oil & Gas Operator | Aug 2003 |
| 15902 | Kuenzler & Flora Reserve Company | | Oil & Gas Operator | May 2026 |
| 15903 | Kughn | | Oil Operator | Sep 2019 |
| 15904 | Kugler* Dean & Joe Dba D-J Oil Company | | Oil & Gas Operator | Jul 2021 |
| 15905 | Kuhn Oil Co Inc | Timber Lake, SD 57656 | Oil Operator | Dec 2025 |
| 15906 | Kuhn Richard F | Baltimore, OH 43105 | Oil Operator | Dec 2022 |
| 15907 | Kuhn Walter Dril | | Gas Operator | Dec 1985 |
| 15908 | Kukui Inc | Houston, TX 77002 | Oil & Gas Operator | Dec 2002 |
| 15909 | Kukui Operating Company | Ignacio, CO 81137 | Oil & Gas Operator | May 2013 |
| 15910 | Kulka And Schmidt Inc | | Oil & Gas Operator | Dec 1992 |
| 15911 | Kundtz Properties Inc | Orange VIllage, OH 44122 | Gas Operator | Dec 2025 |
| 15912 | Kunkel, Richard A. DDS & Susan K. | Little Valley, NY 14755 | Gas Operator | Dec 2025 |
| 15913 | Kunu Energy LLC | Wichita Falls, TX 76310 | Oil Operator | Sep 2026 |
| 15914 | Kuran Resources | Wichita Falls, TX 76308 | Oil Operator | Sep 2026 |
| 15915 | Kuran Resources Inc | Wichita Falls, TX 76305 | Oil Operator | Jul 2021 |
| 15916 | Kutter Oil Co. | Eureka, KS 67045 | Oil Operator | May 2002 |
| 15917 | Kutter Oil, Inc. | Eureka, KS 67045 | Oil Operator | Mar 2022 |
| 15918 | Kuykendall, IValene Estate | Electra, TX 76360 | Oil & Gas Operator | Dec 1998 |
| 15919 | Kuykendall, M. C. | Electra, TX 76360 | Oil & Gas Operator | Apr 1995 |
| 15920 | Kuykendall, M.C., Estate | Electra, TX 76360 | Oil & Gas Operator | Aug 2003 |
| 15921 | KV Oil & Gas, Inc. | | Oil & Gas Operator | Dec 2006 |
| 15922 | KVL Operating, LLC | Big Lake, TX 76932 | Oil & Gas Operator | Sep 2026 |
| 15923 | KWB Oil Property | | Oil Operator | Oct 1992 |
| 15924 | KWB Oil Property Management Inc | Tulsa, OK 74103 | Oil & Gas Operator | May 2026 |
| 15925 | KWB Oil Property MGMT, Inc. | | Oil & Gas Operator | Mar 1983 |
| 15926 | Kwilos, Stanley | Angola, NY 14006 | Gas Operator | Dec 2025 |
| 15927 | KWR Ventures LLC | Harrisburg, IL 62946 | Oil Operator | Dec 2024 |
| 15928 | Ky Crude LLC | Bowling Green, KY 42103 | Oil Operator | Dec 2021 |
| 15929 | Ky Energy Group, LLC | | Oil & Gas Operator | Dec 2015 |
| 15930 | Ky Ohio Gas Co | | Oil Operator | Dec 2021 |
| 15931 | Ky Oil Co | Palco, KS 67657 | Oil & Gas Operator | Aug 2000 |
| 15932 | Ky-Tenn Expl Co, Inc | New Concord, OH 43762 | Oil & Gas Operator | Dec 2024 |
| 15933 | Kybenco Disposals LLC | Lindsay, OK 73052 | Oil Operator | Jul 2026 |
| 15934 | Kykon Oil & Gas, Inc. | Billings, MT 59103 | Oil & Gas Operator | Jun 2007 |
| 15935 | Kykuit Resources, LLC | Winifred, MT 59489 | Gas Operator | Mar 2021 |
| 15936 | Kyl-Kat Petroleum | | Oil & Gas Operator | Oct 1996 |
| 15937 | Kylander Oil Inc | Warren, PA 16365-4366 | Oil & Gas Operator | Dec 2025 |
| 15938 | Kyle Energy Inc NV | Apollo, PA 15613-0249 | Gas Operator | Dec 1996 |
| 15939 | Kyler Oil Company | Pawhuska, OK 74056-0117 | Oil Operator | Nov 1998 |
| 15940 | Kynge Energy Investments LLC | Fort Worth, TX 76102 | Oil & Gas Operator | Sep 2026 |
| 15941 | Kynosa Inc. | Levelland, TX 79336 | Oil & Gas Operator | Jun 1998 |
| 15942 | Kytex, Inc. | Wichita, KS 67230 | Oil Operator | Dec 2019 |
| 15943 | Kytx Oil & Gas, LLC | Gray, KY 40734 | Oil & Gas Operator | Dec 2024 |
| 15944 | KZ Global Energy, LLC | Houston, TX 77042 | Oil & Gas Operator | Sep 2026 |
| 15945 | L & A Energy LP | | Oil Operator | Apr 2026 |
| 15946 | L & A Oil Compan | | Oil Operator | Sep 1991 |
| 15947 | L & B Crude, Inc. | Yates Center, KS 66783 | Oil Operator | Nov 2019 |
| 15948 | L & B Energy LLP | Kingsville, OH 44048 | Oil & Gas Operator | Dec 2023 |
| 15949 | L & B Oil | Longton, KS 67352 | Oil Operator | Dec 2019 |
| 15950 | L & B Oil & Gas, Inc | Harold, KY 41635 | Oil & Gas Operator | Dec 2024 |
| 15951 | L & B Oil And Gas Equipment, LLC | Palmhurst, TX 78573 | Oil & Gas Operator | Sep 2026 |
| 15952 | L & B Oil Company Inc | Houston, TX 77079 | Oil & Gas Operator | Mar 2025 |
| 15953 | L & B Production | Big Lake, TX 76932 | Oil & Gas Operator | Sep 2026 |
| 15954 | L & D Operation | Victoria, KS 67671 | Oil Operator | Jun 1988 |
| 15955 | L & D, Inc. | San Angelo, TX 76906 | Oil & Gas Operator | May 2019 |
| 15956 | L & F Drilling Co., Inc. (1) | Corpus Chrsti, TX 78479 | Oil & Gas Operator | Sep 2026 |
| 15957 | L & F Oil Company | Duncan, OK 73533-3636 | Oil Operator | Jun 2009 |
| 15958 | L & F Oil Operat | | Oil Operator | Sep 1987 |
| 15959 | L & G Energy | | Oil & Gas Operator | Mar 1994 |
| 15960 | L & G Oil Company | Longview, TX 75606 | Oil & Gas Operator | Aug 2000 |
| 15961 | L & G Operating, Inc. | Borger, TX 79008 | Oil & Gas Operator | Aug 2021 |
| 15962 | L & G Petroleum Operating, LLC | Havana, KS 67347 | Oil Operator | Apr 2026 |
| 15963 | L & H Energy Co Inc | Knox, PA 16232-4874 | Oil & Gas Operator | Dec 2025 |
| 15964 | L & H Energy Inc | Cherryvale, KS 67335 | Oil & Gas Operator | Sep 2019 |
| 15965 | L & H Oil Company | Wichita Falls, TX 76301 | Oil & Gas Operator | Oct 1999 |
| 15966 | L & J Exploration, LLC | Carrizo SPGS, TX 78834 | Oil & Gas Operator | Sep 2026 |
| 15967 | L & J Oil | Gainesville, TX 76240 | Oil & Gas Operator | Nov 2000 |
| 15968 | L & J Oil Co. | Borger, TX 79007 | Oil & Gas Operator | Apr 1999 |
| 15969 | L & J Oil Proper | | Oil Operator | Dec 1996 |
| 15970 | L & J Operating Inc | Gillette, WY 82718 | Oil & Gas Operator | Aug 2016 |
| 15971 | L & K Oil | | Oil Operator | Oct 1997 |
| 15972 | L & L Energy Company | Huntington, AR 72940 | Oil & Gas Operator | Jan 2025 |
| 15973 | L & L Oil Compan | | Oil Operator | Oct 1984 |
| 15974 | L & L Producers | Independence, KS 67301 | Oil Operator | May 2026 |
| 15975 | L & L Resources, Inc. | Hays, KS 67601 | Oil Operator | Mar 1986 |
| 15976 | L & L Smith Energy Corporation | Muskogee, OK 74403-8479 | Oil & Gas Operator | Jan 2023 |
| 15977 | L & L Supply | | Oil Operator | Dec 1994 |
| 15978 | L & M Oil Co. | Yates Center, KS 66783 | Oil & Gas Operator | Dec 1998 |
| 15979 | L & M Oil Compan | | Oil & Gas Operator | Dec 1986 |
| 15980 | L & M Operating, Inc. | Big Lake, TX 76932 | Oil & Gas Operator | Sep 2026 |
| 15981 | L & M Petroleum Co | Reno, OH 45773 | Oil & Gas Operator | Dec 1987 |
| 15982 | L & N Co. | | Oil Operator | Jul 1991 |
| 15983 | L & N Exploration Inc | | Oil & Gas Operator | Jul 2013 |
| 15984 | L & P Enterprises, LLC | Paola, KS 66071 | Oil Operator | Apr 2026 |
| 15985 | L & R Drilling Company | Belle Fourche, SD 57717 | Oil & Gas Operator | Dec 1999 |
| 15986 | L & R Energy Corporation | Spearman, TX 79081 | Oil & Gas Operator | Nov 2014 |
| 15987 | L & R Oil Company | Oakley, KS 67748 | Oil & Gas Operator | Jan 2004 |
| 15988 | L & R Oil, Inc. | Great Bend, KS 67530 | Oil Operator | Apr 2026 |
| 15989 | L & R Petroleum | Kilgore, TX 75663 | Oil & Gas Operator | Sep 2026 |
| 15990 | L & S Drilling, Inc. | Kamay, TX 76369 | Oil & Gas Operator | Mar 2016 |
| 15991 | L & S Oil And Gas | Newark, OH 43055-8732 | Oil & Gas Operator | Dec 2014 |
| 15992 | L & S Service Corp. | | Oil Operator | Jul 1989 |
| 15993 | L & T Disposal LLC | Wilson, OK 73463-6545 | Oil Operator | Mar 2016 |
| 15994 | L & T Exploration | | Oil & Gas Operator | Dec 1987 |
| 15995 | L & W Oil & Gas, Inc. | | Oil & Gas Operator | May 1994 |
| 15996 | L & W Operators | Pampa, TX 79066 | Oil & Gas Operator | Jan 2018 |
| 15997 | L A Productions | Sunset, TX 76270 | Oil & Gas Operator | Sep 2026 |
| 15998 | L And C Leasing, Inc. | Pampa, TX 79066 | Oil & Gas Operator | Mar 2019 |
| 15999 | L And C Oil Company | | Oil Operator | Aug 1996 |
| 16000 | L And G Drilling | | Oil Operator | Jun 1987 |